Discuss stellar parallax, how it works, and how it is used as a
tool in astronomy.
Which spectral class has the highest surface temperature?
Which spectral class has the coolest
surface temperature?
What is the spectral class of the
sun?
One of our tools for measuring cosmic distances is Cepheid
Variable Stars. Explain how they allow the determination of
distances.
The Hertzsprung-Russell diagram is a tool as useful to
astronomers as the Periodic Table is to chemists. Explain the
structure...